u=x^2-y^2+2x

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Solution for u=x^2-y^2+2x equation: 


Simplifying
u = x2 + -1y2 + 2x

Reorder the terms:
u = 2x + x2 + -1y2

Solving
u = 2x + x2 + -1y2

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Simplifying
u = 2x + x2 + -1y2

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